import { describe, expect, it } from "vite-plus/test"; import { parseUsagePriceForm, usagePriceForm } from "./usagePriceForm.ts"; describe("model price entry", () => {  it("preserves exact model IDs and fractional rates", () => {    expect(      parseUsagePriceForm({        ...usagePriceForm(),        model: "  vendor/Example-Model  ",        inputCostPerMillionTokens: "2.5",        outputCostPerMillionTokens: "10",      }),    ).toEqual({      model: "vendor/Example-Model",      price: { inputCostPerMillionTokens: 2.5, outputCostPerMillionTokens: 10 },    });  });   it("keeps free cache tokens distinct from blank cache prices", () => {    const parsed = parseUsagePriceForm({      ...usagePriceForm(),      model: "example-model",      inputCostPerMillionTokens: "2",      outputCostPerMillionTokens: "8",      cacheReadCostPerMillionTokens: "0",      cacheWriteCostPerMillionTokens: " ",    });    expect(parsed?.price).toEqual({      inputCostPerMillionTokens: 2,      outputCostPerMillionTokens: 8,      cacheReadCostPerMillionTokens: 0,    });  });   it("preserves all prices when editing, including small fractional prices", () => {    const price = {      inputCostPerMillionTokens: 0,      outputCostPerMillionTokens: 8,      cacheReadCostPerMillionTokens: 0.0000001,      cacheWriteCostPerMillionTokens: 3.5,    };    expect(parseUsagePriceForm(usagePriceForm("example-model", price))).toEqual({      model: "example-model",      price,    });  });   it.each(["", " ", "-1", "Infinity", "NaN", "1e999", "$2", "0x10"])(    "rejects invalid required prices: %j",    (inputCostPerMillionTokens) => {      expect(        parseUsagePriceForm({          ...usagePriceForm("example-model", {            inputCostPerMillionTokens: 2,            outputCostPerMillionTokens: 8,          }),          inputCostPerMillionTokens,        }),      ).toBeNull();    },  );   it("rejects invalid optional rates and missing model IDs", () => {    const form = usagePriceForm("example-model", {      inputCostPerMillionTokens: 2,      outputCostPerMillionTokens: 8,    });    expect(parseUsagePriceForm({ ...form, cacheReadCostPerMillionTokens: "-1" })).toBeNull();    expect(parseUsagePriceForm({ ...form, cacheWriteCostPerMillionTokens: "invalid" })).toBeNull();    expect(parseUsagePriceForm({ ...form, model: " " })).toBeNull();  });});